Which of the following statements describes a statistical interaction?
A) Extroverts are very outgoing but introverts are very shy.
B) Extroverts concentrate better when they consume a little caffeine; introverts concentrate worse when they consume a little caffeine.
C) People who drink coffee in the morning tend to be extroverted; those who do not drink coffee in the morning tend to be introverted.
D) A small amount of caffeine helps people to concentrate.
Correct Answer:
Verified
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